Check-All® U3 Universal Low-Pressure Check Valve - 2-1/2" NPT, 0.500 psi Cracking Pressure
Check-All® U3 Universal Low-Pressure Check Valve - 2-1/2" NPT, 0.500 psi Cracking Pressure
SKU:U3A-87ec2f
Dependable Check-All® U3 Low-Pressure Check Valve - Lightweight, Compact Design, 0.500 psi Cracking Pressure
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$159.99
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$159.99
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Check-All® U3 Universal Low-Pressure Check Valve - 2-1/2" NPT, 0.500 psi Cracking Pressure
$159.99
Quantity: 1
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Check-All® U3 Universal Low-Pressure Check Valve - 2-1/2" NPT, 0.500 psi Cracking Pressure
$159.99
Quantity: 1
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The Check-All® U3 Universal Low-Pressure Check Valve sets the standard for reliable, low-maintenance performance. Machined from high-quality materials including 316 Stainless Steel, it ensures minimal pressure loss and long-term dependability. With a lightweight and compact design, this valve is optimized for efficiency. Suitable for NPT threads per ASME B1.20.1, offering sizes from alloy options to suit varied industrial needs. Operating at a standard cracking pressure of 0.500 psi, it doubles as a low-pressure relief valve or vacuum breaker with customizable spring settings.
Product Specifications
Note
Many valves in this series can be supplied with B16.34 certification. Consult the factory for more information.Made in USA.
Specifications Body Material
316 Stainless Steel = SS | Alloy 20 = A2 | Alloy B = HB | Alloy C-276 = HC | Brass = BR | Carbon Steel = CS | Monel® 400 or Alloy R405 = MO | Titanium = TI
Specifications Body Material Availability
316 Stainless Steel (SS) - Standard | Alloy 20 (A2) - Semi-Standard | Alloy B (HB) - Contact the factory for these or other materials | Alloy C-276 (HC) - Semi-Standard | Brass (BR) - Standard | Carbon Steel (CS) - Standard | Monel® 400 or Alloy R405 - Semi-Standard | Titanium (TI) - Contact the factory for these or other materials
Specifications Certifications
European Conformity (CE) PED 2014/68/EU Complaint | International Organization for Standardization (ISO 9001) Certified
Specifications Nominal Pipe Size
2-1/2 in
Specifications Non Shock Pressure Rating At 100 Degree Fahrenhei
3000 psig
Specifications Note For Material
Listed above are the most common material selections. Please contact the factory for additional options.
Specifications Note For Standard Cracking Pressure
0.500 psi is the only standard cracking pressure for spring materials other than Stainless Steel.
Specifications Seat Material
"Metal-to-Metal" = MT | Aflas® = AS | Buna-N = BN | Ethylene Propylene Diene Monomer (EPDM) = EP (EP seats not recommended for use with Carbon Steel valves.) | Fluoro-Elastomer (FKM) = VT | Neoprene = NE | Perfluoroelastomer = KZ | Polytetrafluoroethylene (PTFE) = TF
Specifications Size Code
L
Specifications Special Options
T = FEP Encapsulated Spring (Contact the factory for more options)
Specifications Spring Material
17-7PH Stainless Steel = PH | 316 Stainless Steel = SS | Alloy B = HB | Alloy C-276 = HC | Inconel® X750 or Alloy X750 = IX | Monel® 400 = MO | Titanium = TI
Specifications Standard Cracking Pressure
0.500 psi
Specifications Valve Style
National Pipe Thread (NPT) Threads = U3